1 | /* |
2 | * Copyright (C) 2011 Apple Inc. All rights reserved. |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without |
5 | * modification, are permitted provided that the following conditions |
6 | * are met: |
7 | * 1. Redistributions of source code must retain the above copyright |
8 | * notice, this list of conditions and the following disclaimer. |
9 | * 2. Redistributions in binary form must reproduce the above copyright |
10 | * notice, this list of conditions and the following disclaimer in the |
11 | * documentation and/or other materials provided with the distribution. |
12 | * |
13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
14 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
15 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
17 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
18 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
19 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
20 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
21 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
22 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
23 | * THE POSSIBILITY OF SUCH DAMAGE. |
24 | */ |
25 | #include "config.h" |
26 | #include "AccessibilityController.h" |
27 | #include "AccessibilityUIElement.h" |
28 | #include "JSAccessibilityController.h" |
29 | #include "JSAccessibilityUIElement.h" |
30 | #include <JavaScriptCore/JSRetainPtr.h> |
31 | #include <wtf/GetPtr.h> |
32 | |
33 | namespace WTR { |
34 | |
35 | AccessibilityController* toAccessibilityController(JSContextRef context, JSValueRef value) |
36 | { |
37 | if (!context || !value || !JSAccessibilityController::accessibilityControllerClass() || !JSValueIsObjectOfClass(context, value, JSAccessibilityController::accessibilityControllerClass())) |
38 | return 0; |
39 | return static_cast<AccessibilityController*>(JSWrapper::unwrap(context, value)); |
40 | } |
41 | |
42 | JSClassRef JSAccessibilityController::accessibilityControllerClass() |
43 | { |
44 | static JSClassRef jsClass; |
45 | if (!jsClass) { |
46 | JSClassDefinition definition = kJSClassDefinitionEmpty; |
47 | definition.className = "AccessibilityController" ; |
48 | definition.parentClass = 0; |
49 | definition.staticValues = staticValues(); |
50 | definition.staticFunctions = staticFunctions(); |
51 | definition.initialize = initialize; |
52 | definition.finalize = finalize; |
53 | jsClass = JSClassCreate(&definition); |
54 | } |
55 | return jsClass; |
56 | } |
57 | |
58 | const JSStaticFunction* JSAccessibilityController::staticFunctions() |
59 | { |
60 | static const JSStaticFunction functions[] = { |
61 | { "enableEnhancedAccessibility" , enableEnhancedAccessibility, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly }, |
62 | { "elementAtPoint" , elementAtPoint, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly }, |
63 | { "accessibleElementById" , accessibleElementById, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly }, |
64 | { "addNotificationListener" , addNotificationListener, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly }, |
65 | { "removeNotificationListener" , removeNotificationListener, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly }, |
66 | { "logFocusEvents" , logFocusEvents, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly }, |
67 | { "logValueChangeEvents" , logValueChangeEvents, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly }, |
68 | { "logScrollingStartEvents" , logScrollingStartEvents, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly }, |
69 | { "logAccessibilityEvents" , logAccessibilityEvents, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly }, |
70 | { "resetToConsistentState" , resetToConsistentState, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly }, |
71 | { 0, 0, 0 } |
72 | }; |
73 | return functions; |
74 | } |
75 | |
76 | const JSStaticValue* JSAccessibilityController::staticValues() |
77 | { |
78 | static const JSStaticValue values[] = { |
79 | { "enhancedAccessibilityEnabled" , enhancedAccessibilityEnabled, 0, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly }, |
80 | { "platformName" , platformName, 0, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly }, |
81 | { "rootElement" , rootElement, 0, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly }, |
82 | { "focusedElement" , focusedElement, 0, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly }, |
83 | { 0, 0, 0, 0 } |
84 | }; |
85 | return values; |
86 | } |
87 | |
88 | // Functions |
89 | |
90 | JSValueRef JSAccessibilityController::enableEnhancedAccessibility(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception) |
91 | { |
92 | AccessibilityController* impl = toAccessibilityController(context, thisObject); |
93 | if (!impl) |
94 | return JSValueMakeUndefined(context); |
95 | |
96 | bool enable = argumentCount > 0 && JSValueToBoolean(context, arguments[0]); |
97 | impl->enableEnhancedAccessibility(enable); |
98 | |
99 | return JSValueMakeUndefined(context); |
100 | } |
101 | |
102 | JSValueRef JSAccessibilityController::elementAtPoint(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception) |
103 | { |
104 | AccessibilityController* impl = toAccessibilityController(context, thisObject); |
105 | if (!impl) |
106 | return JSValueMakeUndefined(context); |
107 | |
108 | double x = argumentCount > 0 ? JSValueToNumber(context, arguments[0], nullptr) : 0; |
109 | double y = argumentCount > 1 ? JSValueToNumber(context, arguments[1], nullptr) : 0; |
110 | return toJS(context, WTF::getPtr(impl->elementAtPoint(x, y))); |
111 | } |
112 | |
113 | JSValueRef JSAccessibilityController::accessibleElementById(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception) |
114 | { |
115 | AccessibilityController* impl = toAccessibilityController(context, thisObject); |
116 | if (!impl) |
117 | return JSValueMakeUndefined(context); |
118 | |
119 | JSRetainPtr<JSStringRef> id = argumentCount > 0 ? adopt(JSValueToStringCopy(context, arguments[0], nullptr)) : JSRetainPtr<JSStringRef>(); |
120 | return toJS(context, WTF::getPtr(impl->accessibleElementById(id.get()))); |
121 | } |
122 | |
123 | JSValueRef JSAccessibilityController::addNotificationListener(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception) |
124 | { |
125 | AccessibilityController* impl = toAccessibilityController(context, thisObject); |
126 | if (!impl) |
127 | return JSValueMakeUndefined(context); |
128 | |
129 | JSValueRef functionCallback = argumentCount > 0 ? arguments[0] : JSValueMakeUndefined(context); |
130 | return JSValueMakeBoolean(context, impl->addNotificationListener(functionCallback)); |
131 | } |
132 | |
133 | JSValueRef JSAccessibilityController::removeNotificationListener(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception) |
134 | { |
135 | AccessibilityController* impl = toAccessibilityController(context, thisObject); |
136 | if (!impl) |
137 | return JSValueMakeUndefined(context); |
138 | |
139 | return JSValueMakeBoolean(context, impl->removeNotificationListener()); |
140 | } |
141 | |
142 | JSValueRef JSAccessibilityController::logFocusEvents(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception) |
143 | { |
144 | AccessibilityController* impl = toAccessibilityController(context, thisObject); |
145 | if (!impl) |
146 | return JSValueMakeUndefined(context); |
147 | |
148 | impl->logFocusEvents(); |
149 | |
150 | return JSValueMakeUndefined(context); |
151 | } |
152 | |
153 | JSValueRef JSAccessibilityController::logValueChangeEvents(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception) |
154 | { |
155 | AccessibilityController* impl = toAccessibilityController(context, thisObject); |
156 | if (!impl) |
157 | return JSValueMakeUndefined(context); |
158 | |
159 | impl->logValueChangeEvents(); |
160 | |
161 | return JSValueMakeUndefined(context); |
162 | } |
163 | |
164 | JSValueRef JSAccessibilityController::logScrollingStartEvents(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception) |
165 | { |
166 | AccessibilityController* impl = toAccessibilityController(context, thisObject); |
167 | if (!impl) |
168 | return JSValueMakeUndefined(context); |
169 | |
170 | impl->logScrollingStartEvents(); |
171 | |
172 | return JSValueMakeUndefined(context); |
173 | } |
174 | |
175 | JSValueRef JSAccessibilityController::logAccessibilityEvents(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception) |
176 | { |
177 | AccessibilityController* impl = toAccessibilityController(context, thisObject); |
178 | if (!impl) |
179 | return JSValueMakeUndefined(context); |
180 | |
181 | impl->logAccessibilityEvents(); |
182 | |
183 | return JSValueMakeUndefined(context); |
184 | } |
185 | |
186 | JSValueRef JSAccessibilityController::resetToConsistentState(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception) |
187 | { |
188 | AccessibilityController* impl = toAccessibilityController(context, thisObject); |
189 | if (!impl) |
190 | return JSValueMakeUndefined(context); |
191 | |
192 | impl->resetToConsistentState(); |
193 | |
194 | return JSValueMakeUndefined(context); |
195 | } |
196 | |
197 | // Attributes |
198 | |
199 | JSValueRef JSAccessibilityController::enhancedAccessibilityEnabled(JSContextRef context, JSObjectRef object, JSStringRef, JSValueRef* exception) |
200 | { |
201 | AccessibilityController* impl = toAccessibilityController(context, object); |
202 | if (!impl) |
203 | return JSValueMakeUndefined(context); |
204 | |
205 | return JSValueMakeBoolean(context, impl->enhancedAccessibilityEnabled()); |
206 | } |
207 | |
208 | JSValueRef JSAccessibilityController::platformName(JSContextRef context, JSObjectRef object, JSStringRef, JSValueRef* exception) |
209 | { |
210 | AccessibilityController* impl = toAccessibilityController(context, object); |
211 | if (!impl) |
212 | return JSValueMakeUndefined(context); |
213 | |
214 | return JSValueMakeStringOrNull(context, impl->platformName().get()); |
215 | } |
216 | |
217 | JSValueRef JSAccessibilityController::rootElement(JSContextRef context, JSObjectRef object, JSStringRef, JSValueRef* exception) |
218 | { |
219 | AccessibilityController* impl = toAccessibilityController(context, object); |
220 | if (!impl) |
221 | return JSValueMakeUndefined(context); |
222 | |
223 | return toJS(context, WTF::getPtr(impl->rootElement())); |
224 | } |
225 | |
226 | JSValueRef JSAccessibilityController::focusedElement(JSContextRef context, JSObjectRef object, JSStringRef, JSValueRef* exception) |
227 | { |
228 | AccessibilityController* impl = toAccessibilityController(context, object); |
229 | if (!impl) |
230 | return JSValueMakeUndefined(context); |
231 | |
232 | return toJS(context, WTF::getPtr(impl->focusedElement())); |
233 | } |
234 | |
235 | } // namespace WTR |
236 | |
237 | |